<html>
    <head>
        <%@ page language="java" contentType="text/html; charset=UTF-8"
                 pageEncoding="UTF-8"%>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    </head>
    <body>
        Spring URL: ${springUrl} at ${time}


        <form action="logout" method="post">
            <input type="submit" value="退出"/>
        </form>
    </body>
</html>